Swimming in Jeju Island (Jejudo) in august 2025: Average sea temperature in august and tide times in august 2025
Average sea temperature in Jeju Island (Jejudo) in august 2025.
In august, according to seasonal norms, the sea temperature in Jeju Island (Jejudo) is:
Minimum: 74°F
Average: 80°F
Maximum: 85°F
Other useful seasonal weather averages in august:
- Outside temperature: 77°F to 84°F
- Most common weather: "Clear/Sunny"
- The wind blows at 15.5mph
- It rains a total of 10.9in, over 9 day(s).
Should we swim in Jeju Island (Jejudo) in august?
Yes! The water temperature in Jeju Island (Jejudo) in august is ideal
In august, swimming is ideal on the beaches around Jeju Island (Jejudo)! With water reaching 85°F at most and 80°F on average, spending time in the water is very pleasant.
Note also that in august, the climate is tolerable with an average outside temperature of 80°F, 10.9in of precipitation (over 9 days) and 86.18 % humidity.
Water and normal seasonal temperatures in Jeju Island (Jejudo) in august
| August | |||
| Average sea temperature | 80°F | ||
| Minimum sea temperature | 74°F | ||
| Maximum sea temperature | 85°F | ||
| Average outside temperature | 81°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 77°F | ||
| Wind speed | 14.3mph | ||
| Wind temperature | 77°F | ||
| Precipitation | 10.9in | ||
| Number of days of rain | 9 jour(s) (30%) | ||
| Humidity | 87% | ||
| Visibility in kilometers | 9.37km | ||
| Cloud cover | 40% | ||
| Our opinion | ideal swimming |
Chart of the tides in august 2025
Tide times in august 2025 in Jeju Island (Jejudo)
Swim elsewhere in South Korea in august
| City | Average T° | Min. T° | Max. T° | Our opinion | Busan in august | 80°F | 83°F | ideal swimming | Gangneung in august | 76°F | 80°F | pleasant swimming | Incheon in august | 75°F | 79°F | pleasant swimming | Pohang in august | 77°F | 80°F | pleasant swimming | Sokcho in august | 75°F | 79°F | pleasant swimming |